Mechanical Operations Maximum size reduction in a ball mill is done by the, __________ action. Compression Cutting Attrition Impact Compression Cutting Attrition Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The reduction ratio for fine grinders is 20-40 43961 44124 As high as 100 20-40 43961 44124 As high as 100 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A fluid energy mill is used for Ultra grinding Crushing Grinding Cutting Ultra grinding Crushing Grinding Cutting ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Venturi Co-current Hollow wet Packed wet Venturi Co-current Hollow wet Packed wet ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 0.5 D 2 D 1.5 D D 0.5 D 2 D 1.5 D D ANSWER DOWNLOAD EXAMIANS APP